CN104220174A - Filtration assembly - Google Patents
Filtration assembly Download PDFInfo
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- CN104220174A CN104220174A CN201280072364.XA CN201280072364A CN104220174A CN 104220174 A CN104220174 A CN 104220174A CN 201280072364 A CN201280072364 A CN 201280072364A CN 104220174 A CN104220174 A CN 104220174A
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- Prior art keywords
- silk
- grid
- filter assemblies
- hole
- towards
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- 238000001914 filtration Methods 0.000 title abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 41
- 238000009825 accumulation Methods 0.000 claims abstract description 37
- 239000012530 fluid Substances 0.000 claims abstract description 29
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 13
- 231100000719 pollutant Toxicity 0.000 claims abstract description 13
- 230000005684 electric field Effects 0.000 claims abstract description 5
- 230000000712 assembly Effects 0.000 claims description 34
- 238000000429 assembly Methods 0.000 claims description 34
- 239000000356 contaminant Substances 0.000 claims description 33
- 238000011144 upstream manufacturing Methods 0.000 claims description 12
- 230000009849 deactivation Effects 0.000 claims description 8
- 239000011324 bead Substances 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 5
- 238000012216 screening Methods 0.000 claims description 5
- 241000894006 Bacteria Species 0.000 claims description 4
- 241000233866 Fungi Species 0.000 claims description 4
- 241000700605 Viruses Species 0.000 claims description 4
- 230000001954 sterilising effect Effects 0.000 claims description 4
- 238000004659 sterilization and disinfection Methods 0.000 claims description 4
- 239000000839 emulsion Substances 0.000 claims description 3
- 230000005405 multipole Effects 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000011109 contamination Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 230000002906 microbiologic effect Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 206010061876 Obstruction Diseases 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 230000000415 inactivating effect Effects 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/41—Ionising-electrodes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/08—Plant or installations having external electricity supply dry type characterised by presence of stationary flat electrodes arranged with their flat surfaces parallel to the gas stream
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/12—Plant or installations having external electricity supply dry type characterised by separation of ionising and collecting stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/36—Controlling flow of gases or vapour
- B03C3/361—Controlling flow of gases or vapour by static mechanical means, e.g. deflector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
- B03C3/47—Collecting-electrodes flat, e.g. plates, discs, gratings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/04—Ionising electrode being a wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/10—Ionising electrode has multiple serrated ends or parts
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electrostatic Separation (AREA)
- Filtering Materials (AREA)
Abstract
A filtration assembly (1), which comprises an enclosure (2) which defines inside it a duct (3) for the passage of a fluid which carries pollutant particles (A) to be removed. At a first transverse cross-section of the duct (3) at least one perforated conducting grille (4) is provided, which is kept at a negative electrical potential, so as to emit into the duct (3) electrons which can bond to the pollutant particles (A), consequently giving them a negative electrical charge. Inside the duct (3), downstream of the grille (4), at least one accumulation plate (5) is provided, kept at a positive electrical voltage, for collecting the pollutant particles (A) charged electrically negatively by the electrons emitted by the grille (4). Moreover, at least one deflection element (6) is arranged proximate to the accumulation plate (5) and is kept at a negative electrical potential in order to generate an electrical field inside the duct (3), with consequent redirection of the negatively electrically charged particles (A) toward the accumulation plate (5). The assembly comprises at least one conducting filament (7), which faces and is proximate to a respective hole (8) of the grille (4). The filament (7) is kept at a negative electrical potential, for the emission of electrons, which can bond to the pollutant particles (A) carried at least by the portion of fluid that passes through the respective hole (8).
Description
The present invention relates to filter assemblies.
Be as is known, the air be incorporated in enclosure space by means of atmosphere control system, air exchange system, ventilating system, heating system and other system is the Potential Vector of multiple pollutant, and wherein organic pollution such as virus, bacterium, spore, mould, fungi and analog (people within the enclosed space) is highly dangerous.
For this purpose, sometimes filter assemblies be installed in point to enclosure space air outlet slit and in fact expect according to its physical state (solid, gas, microbiological and electricity) remove pollutant selectively.
Therefore, according to known method, these filter assemblies can have the dividing plate (partition) be made up of fabric, and described dividing plate to be designed to before air is introduced in enclosure space by the impact of air stream and can to retain be present in contaminate particulate in air and microorganism.
But these constructive solutions are not immaculate.
In fact the pollutant retained gathers along the surface of dividing plate, little by little blocks its hole (pore) (reduction filter efficiency) and therefore needs by professional operation person's periodic maintenance (therefore having very high cost).
In addition, the timely pollutant removed from it is not had sometimes may to be incorporated in enclosure space again when once ventilating system starts along baffle collection.
Disclosed in the EPA 06425389.1 formerly submitted on June 9th, 2006 by the applicant, filter assemblies partly solves these shortcomings.
In fact application mentioned above discloses the device comprising external shell, described device is provided with the grid (perforated grille) of the perforation of the paths arrangement along air to be filtered, the grid of described perforation there is the negative electricity place value that presets and therefore, it is possible to when fluid flows through electron emission.
In more detail, the grid of this perforation is provided with the protrusion of multiple point, is suitable for the scattered electron when fluid stream passes the hole of grid, is combined with convenient electronics with contaminant particle.
By this way, the particulate of Residual contamination thing is charged and therefore can be disposed in the attraction of the collecting board (being provided with the instrument for inactivating microbial) with positive potential in the downstream of grid.
But although eliminate the demand of keeping in repair frequently and the risk be incorporated into again by pollutant in enclosure space, so constructive solution neither be immaculate.
In fact have been observed that, use above-described device to obtain absolute unsatisfied result (in compacting contaminant particle).
First, in fact, the amount of the pollutant can escaped from from filter remains quite high.In addition, above-described filter proof itself is completely invalid, thinner particulate to thinner particulate (having the size being less than 0.3 μm) is to the maximum health hazard of people on the contrary.
The object of the invention is to guarantee that the assembly of high filtration effect solves problem mentioned above by providing.
Within the scope of this object, target of the present invention is to provide the ultrafine dust also highly effective filter assemblies to having nano level size.
Other target of the present invention is to provide needs filter assemblies that is simple and seldom maintenance.
Another target of the present invention is to provide the assembly of the high reliability guaranteed in operation.
Another target of the present invention is to provide can easily from the assembly that the common element that is purchased and material obtain.
Another target of the present invention is to provide to be had appropriate cost and is safe assembly in the application.
This object and these targets are realized by filter assemblies, described filter assemblies comprises housing, described housing defines the passage (duct) for making the fluid carrying contaminant particle to be removed pass through within it, at least one conductive grid of boring a hole is in the first cross-section of described passage, it keeps negative potential, for emitting electrons in described passage, electronics can be combined with contaminant particle, therefore contaminant particle negative electrical charge is given, at least one accumulation plate is in the inner side of described passage, in the downstream of described grid, keep positive voltage, for collecting the electronics and electronegative contaminant particle launched by described grid, the contiguous described accumulation plate of at least one deflecting element is arranged and keeps negative potential, to produce electric field in the inner side of described passage, the result caused is that electronegative particulate alters course towards described accumulation plate, it is characterized in that, described filter assemblies comprises at least one conducting filament (conducting filament), described silk towards and the respective hole of contiguous described grid, described silk keeps negative potential, for electron emission, the contaminant particle that electronics can carry with the part of at least passing described respective hole by fluid is combined.
From by means of the preferred but description of the embodiment of nonexcludability according to four of filter assemblies of the present invention shown in the non-limiting example accompanying drawing, other feature and advantage of the present invention will become obvious, wherein:
Fig. 1 is the views according to assembly of the present invention in the first embodiment to 3, more accurately:
Fig. 1 is the schematic section side view according to assembly of the present invention of axially planar interception;
Fig. 2 is the perspective view of conductive grid;
Fig. 3 is the view of the height magnification ratio of the details of Fig. 2;
Fig. 4 is the views according to assembly of the present invention in the second embodiment to 6, more accurately:
Fig. 4 is the schematic section side view according to assembly of the present invention of axially planar interception;
Fig. 5 is the perspective view of conductive grid;
Fig. 6 is the view of the height magnification ratio of the details of Fig. 5;
Fig. 7 and 8 is the views according to assembly of the present invention in the 3rd embodiment, more accurately:
Fig. 7 is the schematic section side view according to assembly of the present invention of axially planar interception;
Fig. 8 is the perspective view of conductive grid;
Fig. 9 and 10 is the views according to assembly of the present invention in the 4th embodiment, more accurately:
Fig. 9 is the schematic section side view according to assembly of the present invention of axially planar interception;
Figure 10 is the perspective view of conductive grid.
With reference to accompanying drawing, the filter assemblies according to the present invention usually marked by reference number 1 comprises housing 2, housing 2 internally define fluid (normally air) for carrying contaminant particle A to be removed by passage 3.
Therefore, assembly 1 can be arranged in the pipe place of any atmosphere control system, air exchange system, ventilating system, heating system and similar system and the filtration that can be preset for air and decontamination, air be introduced in its expection for enclosure space before flow through pipe.
Therefore, housing 2 can be made up of tubular sleeve, can insert coaxially along pipe or be defined by a part for pipe itself.
According to the advantageous applications will mentioned once in a while in the continuation part of this description, housing 2 is instead box-shaped body, the exit of system such as such as those systems above-described can be arranged on, therefore force air be finally incorporated into outlet towards enclosure space before through passage 3 (it is in the inside of box-packed main body).
As mentioned in the early time; the fluid flowing through passage 3 is preferably air; but do not get rid of and use assembly 1 to filter dissimilar fluid, and be provided in the possibility that uses in the different application relative to those systems described concise and to the point in aforementioned paragraphs and therefore do not abandon the protection domain that requires herein.
Contaminant particle A to be removed can be that any type is (in its electricity and/or microbiological property and in the solid-state, liquid of its physics or gaseous state, and can be organic or inorganic), but according to the preferred application hereinafter will often mentioned, it is made up of (or being configured for the inorganic substances of carrier of this pollutant) organic pollution such as virus, bacterium, spore, mould, fungi and analog.
As can from accompanying drawing it is seen that, the conductive grid 4 of at least one perforation is arranged on the first cross-section of passage 3, keep negative potential (its value can also be variable in time and can select arbitrarily according to specific requirement) to emit electrons in passage 3, electronics therefore can with by impact and the contaminant particle A that the fluid that the grid 4 of boring a hole flows through passage 3 carries is combined simultaneously.
Therefore, contaminant particle A is given negative electrical charge, allows negative electrical charge to collect by means of at least one accumulation plate 5, and accumulation plate 5 keeps positive potential and in the disposed inboard of passage 3 in the downstream of grid 4.
Therefore, plate 5 easily can regularly remove the particles A cleaning out collection, prevents excessive buildup.
Should point out, assembly 1 can be provided with the accumulation plate 5 of any number, accumulation plate 5 is arranged in passage 3 according to different structures, the specific requirement of basis: such as, accompanying drawing proposes the constructive solution resorting to three accumulation plate 5 of arranging with plan-parallel structure along passage 3.
In addition, with further reference to accompanying drawing, the inwall of the housing 2 at two accumulation plate layout places in three accumulation plate 5 can cover (being therefore placed between wall and plate 5) with the cover layer 2a be made up of insulating materials.
In order to be beneficial to the particles A of collecting belt negative electrical charge, the contiguous accumulation plate of at least one deflecting element 65 (and preferably but not exclusively make towards accumulation plate 5) is arranged and keeps negative potential (alternatively, the value identical with the negative potential of grid 4) to produce electric field in the inner side of passage 3, the result caused is that particles A deflects towards accumulation plate 5.
The number being arranged in the deflecting element 6 of the inner side of passage 3 can also change arbitrarily and not abandon the protection domain that requires herein.In the accompanying drawings, in fact eight deflecting elements 6 are set along each passage 3, these eight deflecting elements 6 align in couples along four row be parallel to each other (raw), and (it is parallel to inwall and the accumulation plate 5 of housing 2, therefore towards accumulation plate 5, to make contaminant particle A deflect better and precipitate and therefore guarantee optimum).
According to the present invention, filter assemblies 1 comprises at least one conducting filament 7, conducting filament 7 towards and the respective hole 8 of contiguous grid 4.Silk 7 keeps negative potential (it can also equal the negative potential of grid 4 and/or deflecting element 6) to form specific electron emission source, this electron emission source just arrange (it actually passes through above-cited respective hole 8) at least partially in a fluid by district to guarantee to be combined with the contaminant particle A carried by this part.
Especially, filter assemblies 1 comprises at least one first conducting filament 7 and at least one second conducting filament 7, this at least one first conducting filament 7 is towards corresponding hole 8, be adjacent to corresponding hole 8 and be arranged in the downstream of grid 4 substantially, this at least one second conducting filament 7, towards corresponding hole 8, is adjacent to corresponding hole 8 and is arranged in the upstream of grid 4 substantially.
Therefore, at least one 7 only downstream being arranged in grid 4 (or only upstream) constructive solution (as Fig. 1,2 and 3 embodiment in) and at least one 7 be arranged in the upstream of grid 4 and at least one 7 (preferably) constructive solution being arranged in the downstream of grid 4 (as Fig. 4,5 and 6 embodiment in) in the protection domain that therefore requires herein.
Therefore, usefully, the constructive modification being described in detail in all propositions in the continuation part of this description is understood to be thought of as (even not pointed out clearly) not only to have been had the silk 7 in the only downstream (or only upstream) being arranged in grid 4 but also had had the silk 7 (guaranteeing the solution of most high filtration effect) of both the upstream and downstreams being arranged in grid 4.
Especially, assembly 1 comprises multiple silk 7 (number is selected arbitrarily and therefore do not abandon the protection domain that requires herein), multiple silk 7 towards and at least one corresponding hole 8 of contiguous grid 4.Each silk 7 keeps predetermined negative potential so that electron emission, and electronics can combine to by the contaminant particle A at least carried through the fluid in corresponding hole 8.
Even more accurately, each hole 8 of grid 4 towards and contiguous multiple silk 7, multiple silk 7 keeps predetermined negative potential.
By this way, the electronics launched by grid 4 concentrates on silk 7, and because silk 7 towards the fluid of all-mass be forced to through hole 8, so very high effect guaranteed by assembly 1 according to the present invention, because the transmitting that fluid stream passes wherein electronics is the highest region, therefore guarantee that electronics is attached to very a large amount of contaminant particle A.
Expediently, each silk 7 has different length and preferably (but not exclusively) is selected as multipole type and is made up of metal material.
According to the preferred constructive solution that the non-limiting example applied by means of the present invention is quoted, each silk 7 is coupled to grid 4 with its first stiff end 7a.As shown in figures 3 and 6, at opposite end place, each silk 7 has the second free end 7b, and the second free end 7b is wedge shape to define the structure (it is outwards tapered) of point substantially, and the result caused is the further increase of electron emission.
Expediently, filter assemblies 1 comprises at least one unit 9 and is comprised in organic pollution such as virus, bacterium, spore, mould, fungi and analog in the contaminant particle A carried by fluid for deactivation.Unit 9 towards and contiguous accumulation plate 5 to cause pollutant harmless.In addition, should point out, the unit 9 (such as, as be two in the accompanying drawings) of arbitrary number can be arranged along passage 3.
Since people do not wish regularly to remove accumulation plate 5, the existence of unit 9 guarantees that the organic contamination composition granule A be collected on plate 5 can not breed and instead make the organic contamination composition granule A be collected on plate 5 be completely harmless.Therefore, it is not biological contamination source to people and harmful source that organic contamination composition granule A and plate 5 any is separated in being introduced in the enclosure space in downstream of potential generation subsequently.
Especially, according to possible constructive solution, deactivation unit 9 is made up of UV radiation sterilization lamp substantially, towards and contiguous accumulation plate 5 for its continuous print radiation, the result caused is the deactivation of the microorganism of any type of no matter inactivation time.
According to the constructive solution of the suitable practical significance that the non-limiting example applied by means of the present invention proposes, each hole 8 is automatic adjustment and is crossed by diameter rib 10.Towards and the first end 7a of all silks 7 in contiguous identical respective hole 8 is stably coupled to the center of rib 10 substantially, such as, shown in Fig. 3 and 6.
Expediently, assembly 1 according to the present invention comprises at least one reference frame (reference frame), this at least one reference frame adjacent bores 8 is arranged and is kept the current potential different relative to the current potential of silk 7, and preferably keeps the current potential equaling earthing potential.By this way, in the inner side of passage 3 and more accurately between plate 5 and framework, can produce and to be launched by silk 7 and in fact by the electron stream that framework attracts, it is directed along predetermined direction.
According to the possible embodiment that the non-limiting example applied by means of the present invention proposes in figures 7 and 8, the framework preferably equaling the current potential of earthing potential is kept to be made up of emulsion sheet 11 substantially, emulsion sheet 11 is made up of metal material (such as copper), and (so that partly or according to preferred solution fully grating 4) is arranged in the face at least pointing to accumulation plate 5 along grid 4.
By this way, launched by silk 7 and the given a kind of track of electronics attracted by sheet 11, this track has (initial part) at least partially of the direction of advance being essentially perpendicular to fluid, because electronics is discharged by the free end 7b of silk 7, and fall substantially in plane that the grid 4 that is in fact positioned at by sheet 11 defines.
But, if do not have to get rid of in silk 7 downstream that is arranged in grid 4 and upstream (as described in front page), then respective sheet 11 is arranged in the possibility on each of grid 4.
According to different embodiments, the framework that maintenance as already mentioned preferably equals the current potential of earthing potential is made up of screening substantially, is parallel to grid 4 and near grid 4, arranges to attract the electronics launched by silk 7.
If silk 7 is arranged in only downstream or the only upstream of grid 4, screening correspondingly can be arranged in only downstream or the only upstream of grid 4.If instead, silk is arranged in downstream and the upstream of grid 4, then use the assembly 1 being provided with single screening or two screenings of upstream and downstream being arranged in grid 4 easily of use.
According to the other embodiments shown in by means of the non-limiting example in Fig. 9 and 10, the hole 8 of each automatic adjustment is provided with circumference flange (lip) 12, circumference flange 12 has the shape of generic cylindrical and to extend from the edge (rim) in hole 8 at a right angle with grid 4, and can point to accumulation plate 5 and/or contrary reverse (depending on the layout of silk 7).In this embodiment, keep the framework preferably equaling the current potential of earthing potential to be made up of the cover layer (by metal material preferably copper one-tenth) at the top of each bead 12, size is suitably set to extend axially beyond the free end 7b of silk 7.
By this way, launched by silk 7 (and especially by its free end 7b) and be prompted to follow the track with (initial part) at least partially that be substantially parallel to fluid direction of advance by the electronics that bead 12 attracts, guarantee that electron stream has fractional orbital consistent with fluid stream substantially, extend electronics can carry out contacting the period continued with the contaminant particle A carried by air, be beneficial to it and combine.
According to embodiment possible in addition, hole 8 has hexagonal shape (but also can provide the assembly 1 being provided with difform hole 8) substantially: leg-of-mutton auricle (tab) is given prominence to (defining the outward appearance of the bastard file (grater) for grid 4) and pointed to accumulation plate 5 and/or away from accumulation plate 5 from each side of the hexagonal perimeter in hole 8 substantially.
So reference frame is towards hole 8 and keep the current potential different relative to the current potential of silk 7, and preferably keep the current potential equaling earthing potential to be launched and the electron stream attracted by framework by silk 7 and auricle to produce, it is directed along predetermined direction.In this embodiment, framework can be preferably made up of the framework of wire netting trellis, arranges with the parallel downstream (and/or its upstream) being configured in grid 4 and near grid 4.
In addition, should point out, the assembly 1 with ion generator can be provided, ion generator be positioned at substantially passage 3 end section, be therefore positioned at the exit that air leaves assembly 1, be suitable for rebalancing and be present in negative electrical charge in air.
In addition, as can it is seen that assembly 1 according to the present invention can comprise for supporting deflecting element 6 and the instrument 13 making deflecting element 6 be shaped from accompanying drawing.
As follows according to the operation of assembly of the present invention.
Assembly 1 as already mentioned can along also having the system of ventilation, climate controlling etc. of any means of transport (aircraft, train, ship, military vehicle, spacecraft and other instruments) and the pipe of equipment for any enclosure space (civil construction (civil), hospital and analog) or installing in exit, to protect the health of people.In addition, in medical science and hospital field, assembly 1 can also be used for isolating single berth in epiphytotics situation.
Under any circumstance, the application no matter expected (be included and be in or be not in concise and to the point those application described above), air (or other fluids) to be filtered is through passage 3 (being included in substantially accumulation plate 5 and deflecting element 6) and be defined at the inner side of housing 2.
In more detail, the air of all-mass passes the hole 8 of grid 4 and then impacts silk 7, silk 7 scattered electron (because grid 4 and silk 7 keep negative potential).Therefore electronics (optionally pointed to reference frame expediently, reference frame preferably keeps earthing potential) can be combined with contaminant particle A, gives its negative electrical charge.
Then accumulation plate 5 is suitably arranged in the downstream of grid 4 and the contaminant particle A by keeping positive potential to carry out suction band negative electrical charge, therefore from air, removes contaminant particle A.
In order to be beneficial to such result, the contiguous accumulation plate 5 of deflecting element 6 is arranged, and contributes to producing the electric field being beneficial to and being collected in by contaminant particle A on plate 5.
Maximum filter efficiency is guaranteed in the selection resorting to the silk 7 being arranged in the hole 8 of being crossed by fluid stream, produce the high scattering of electronics and electronics concentrated on around in the region of the free end 7b (in fact it crossed by fluid stream) of silk 7, therefore guarantee combination between a large amount of electronics and contaminant particle A (and therefore occur thereupon downstream by electron collection on plate 5).
In fact, constructively select the filtration efficiency obtained also to make to remove ultrafine dust from fluid stream and therefore remove undersized even especially contaminant particle A (usually the most dangerous to people) such as there is the size that is less than 0.3 μm and the contaminant particle of being down to nano-grade size becomes possibility by means of above-described.
In addition, the existence of bactericidal lamp (or other deactivation unit 9) makes to cause it to be that harmless (and avoiding it to breed) becomes possibility by eliminating organic pollution, this allows the maintenance with finite frequency to get involved, such as even just annually.
Also by entrust in field effect in fact filtering and the selection of the engineering properties of nonporous membrane (as occurred when using conventional filters) provide to the contribution of result: when not keeping in repair, in fact the latter stands the progressive obstruction of hole, along with the minimizing of consequential filtering efficacy.Vice versa, makes contaminant particle A electronegative and the frequency influence cleaning and keep in repair that its ability be collected in accumulation plate 5 is not carried out thereon.
In addition, it should be noted, assembly 1 not to air by occur obvious resistance and therefore start time the material of any kind is not discharged in enclosure space by it, because contaminant particle A is retained on plate 5.In addition, such result allows little (and very simple) maintenance get involved and therefore do not endanger filtering efficacy (even when not carrying out any maintenance and/or it being entrusted in unskilled workers, also keeping filtering efficacy to be maximum).
In practice, it has been found that, the object of expecting is realized completely according to assembly of the present invention, because towards and the existence being kept at least one conducting filament of negative potential in the respective hole of contiguous grid is beneficial to the electronics launched by silk and being combined at least partially of fluid to be filtered of passing hole, guarantee the high filtration effect of assembly.
Therefore, the present invention of imagination allows a large amount of amendments and modification, and all amendments and modification are within the scope of the appended claims.In addition, all details can be replaced with element equivalent in other technologies.
Such as, do not get rid of the possibility provided by the assembly 1 of the pipe along system or the multiple module compositions in exit arranged in series, wherein each module has the element that describes in front page and therefore has at least one grid 4, at least one accumulation plate 5 and at least one deflecting element 6.
By this way, the total effect according to assembly 1 of the present invention can be increased further, make air keep with limited speed through passage 3 (another factor of maximum filtering can be guaranteed) simultaneously.
In the embodiment of the embodiment illustrated, in fact mutually can exchange from the different feature existed in other embodiments in embodiment relating in specific embodiment the single feature provided.
In practice, the material of use and size can be arbitrary with the state of the art as requested.
The referenced mark of the technical characteristic mentioned in any claim is followed, those reference markers be included to increase claim intelligibility sole purpose and therefore the understanding of this type of reference marker to each element determined by this type of reference marker by means of embodiment not there is any restriction effect.
Claims (14)
1. a filter assemblies (1), comprise housing (2), described housing (2) defines the passage (3) for making the fluid carrying contaminant particle (A) to be removed pass through within it, the conductive grid (4) of at least one perforation is arranged on the first cross-section of described passage (3), described grid (4) keeps negative potential, for emitting electrons in described passage (3), electronics can combine with described contaminant particle (A), therefore described contaminant particle (A) negative electrical charge is given, in the inner side of described passage (3), at least one accumulation plate (5) is arranged on the downstream of described grid (4), described accumulation plate (5) keeps positive voltage, for collecting by the electronics launched by described grid (4) electronegative described contaminant particle (A), at least one deflecting element (6) is adjacent to described accumulation plate (5) and arranges and keep negative potential, to produce electric field in the inner side of described passage (3), the result caused is that electronegative particulate (A) alters course towards described accumulation plate (5), it is characterized in that, described filter assemblies (1) comprises towards and is close at least one conducting filament (7) in the corresponding hole (8) of described grid (4), described silk (7) keeps negative potential for electron emission, electronics can combine with the described contaminant particle (A) at least carried by the part of passing corresponding hole (8) of fluid.
2. filter assemblies according to claim 1, it is characterized in that, described filter assemblies (1) comprises at least one first conducting filament (7) and at least one the second conducting filament (7), at least one first conducting filament (7) described towards and contiguous corresponding hole (8) and be arranged in the downstream of described grid (4) substantially, at least one second conducting filament (7) described towards and contiguous corresponding hole (8) and be arranged in the upstream of described grid (4) substantially.
3. the filter assemblies according to claim 1 and 2, it is characterized in that, described filter assemblies (1) comprises multiple described silk (7), described silk (7) towards and at least one corresponding hole (8) of contiguous described grid (4), each in described silk (7) keeps predetermined negative potential so that electron emission, and electronics can combine with the described contaminant particle (A) carried by the fluid through at least corresponding hole (8).
4. according to the one or more described filter assemblies in aforementioned claim, it is characterized in that, keep the multiple described silk (7) of predetermined negative potential towards and each in the described hole (8) of contiguous described grid (4).
5. according to the one or more described filter assemblies in aforementioned claim, it is characterized in that, each in described silk (7) has different length, that described silk (7) is selected as multipole type and be made up of metal material.
6. according to the one or more described filter assemblies in aforementioned claim, it is characterized in that, each silk in described silk (7) is coupled to described grid (4) with the first stiff end (7a), at opposite end place, each silk in described silk (7) has the second free end (7b), described second free end (7b) is the shape to define point substantially of wedge shape, and the result caused is the increase of electron emission.
7. according to the one or more described filter assemblies in aforementioned claim, it is characterized in that, described filter assemblies (1) comprises at least one the deactivation unit (9) being comprised in organic pollution in the described contaminant particle (A) carried by fluid such as virus, bacterium, spore, mould, fungi and analog for deactivation, described unit (9) towards and contiguous described at least one accumulation plate (5).
8. filter assemblies according to claim 7, it is characterized in that, at least one deactivation unit (9) described is made up of UV radiation sterilization lamp substantially, described UV radiation sterilization lamp towards and contiguous described at least one accumulation plate (5), for the constant radiant of described UV radiation sterilization lamp, the result caused is deactivation biological pollutant.
9. according to the one or more described filter assemblies in aforementioned claim, it is characterized in that, each hole in described hole (8) is automatic adjustment, each hole in described hole (8) is crossed by diameter rib (10), towards and the described first end (7a) of each in the described silk (7) in contiguous identical corresponding hole (8) is stably coupled to the center of described rib (10) substantially.
10. according to the one or more described filter assemblies in aforementioned claim, it is characterized in that, described filter assemblies (1) comprises at least one reference frame, at least one reference frame described is arranged to contiguous described hole (8) and keeps the different current potential relative to the current potential of described silk (7), and keep the current potential equaling earthing potential, launched and the electron stream attracted by described framework by described silk (7) to produce, it is directed along predetermined direction.
11. filter assemblies according to claim 9 and 10, it is characterized in that, the described framework equaling the current potential of earthing potential is kept to be made up of emulsion sheet (11) substantially, described (11) are made up of metal material, at least along described grid (4) sensing described at least one accumulation plate (5) face arrange, to be launched by described silk (7) and the electronics attracted by described (11) gives path to give, described path have be essentially perpendicular to fluid direction of advance at least partially.
12. filter assemblies according to claim 9 and 10, it is characterized in that, the described framework equaling the current potential of earthing potential is kept to be made up of screening substantially, be parallel to described grid (4) and arrange near described grid (4), to attract the electronics launched by described silk (7).
13. filter assemblies according to claim 9 and 10, it is characterized in that, each hole in the hole (8) of described automatic adjustment has circumference flange (12), described bead (12) is columniform and to give prominence to from the edge of described hole (8) at a right angle with described grid (4) substantially, the described framework equaling the current potential of earthing potential is kept to be made up of the layer at the top for covering each bead in described bead (12), launched and the electronics imparting track attracted by described bead (12) by described silk (7) to give, described track have be substantially parallel to fluid direction of advance at least partially.
14. according to the one or more described filter assemblies in claim 1 to 8, it is characterized in that, each hole in described hole (8) is hexagonal substantially, leg-of-mutton additives is given prominence to from each side of the hexagonal perimeter of described hole (8) substantially, towards reference frame, described reference frame keeps the different potentials relative to the current potential of described silk (7) and keeps equaling the current potential of earthing potential, launched and the electron stream attracted by described framework by described silk (7) and described auricle for generation, it is directed along predetermined direction, described framework is made up of the mesh of metal lattice shape, be parallel to described grid (4) and arrange near described grid (4).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IT2012/000108 WO2013153563A1 (en) | 2012-04-13 | 2012-04-13 | Filtration assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104220174A true CN104220174A (en) | 2014-12-17 |
Family
ID=46321399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280072364.XA Pending CN104220174A (en) | 2012-04-13 | 2012-04-13 | Filtration assembly |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US9757736B2 (en) |
| EP (1) | EP2836305B1 (en) |
| JP (1) | JP6185046B2 (en) |
| KR (1) | KR101954482B1 (en) |
| CN (1) | CN104220174A (en) |
| BR (1) | BR112014025211B1 (en) |
| ES (1) | ES2647677T3 (en) |
| MX (1) | MX2014012314A (en) |
| PL (1) | PL2836305T3 (en) |
| PT (1) | PT2836305T (en) |
| RU (1) | RU2592082C2 (en) |
| WO (1) | WO2013153563A1 (en) |
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| CN105312155A (en) * | 2015-10-19 | 2016-02-10 | 常州大学 | Copper-coated dielectric barrier electrode and photocatalyst coupling electrostatic dust collection device |
| CN106132552A (en) * | 2015-02-17 | 2016-11-16 | 翰昂汽车零部件有限公司 | The Charging system of electric precipitation |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2013153563A1 (en) | 2013-10-17 |
| JP6185046B2 (en) | 2017-08-23 |
| RU2592082C2 (en) | 2016-07-20 |
| PL2836305T3 (en) | 2018-01-31 |
| KR20140146149A (en) | 2014-12-24 |
| MX2014012314A (en) | 2014-11-14 |
| EP2836305A1 (en) | 2015-02-18 |
| US20150075379A1 (en) | 2015-03-19 |
| BR112014025211B1 (en) | 2021-07-13 |
| RU2014145524A (en) | 2016-06-10 |
| KR101954482B1 (en) | 2019-03-05 |
| EP2836305B1 (en) | 2017-08-23 |
| PT2836305T (en) | 2017-12-01 |
| US9757736B2 (en) | 2017-09-12 |
| BR112014025211A2 (en) | 2017-08-22 |
| JP2015516879A (en) | 2015-06-18 |
| ES2647677T3 (en) | 2017-12-26 |
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Application publication date: 20141217 |